Add jgvariant-ostree module.

Change-Id: Idf7bacad28d7cf65eb1ddd0994dcc2c2c2a7e18e
diff --git a/jgvariant-core/src/main/java/module-info.java b/jgvariant-core/src/main/java/module-info.java
index a1830f6..0ef35cc 100644
--- a/jgvariant-core/src/main/java/module-info.java
+++ b/jgvariant-core/src/main/java/module-info.java
@@ -49,6 +49,10 @@
  *       <groupId>eu.mulk.jgvariant</groupId>
  *       <artifactId>jgvariant-core</artifactId>
  *     </dependency>
+ *     <dependency>
+ *       <groupId>eu.mulk.jgvariant</groupId>
+ *       <artifactId>jgvariant-ostree</artifactId>
+ *     </dependency>
  *
  *     ...
  *   </dependencies>
@@ -65,6 +69,7 @@
  *
  *   implementation(platform("eu.mulk.jgvariant:jgvariant-bom:0.1.4")
  *   implementation("eu.mulk.jgvariant:jgvariant-core")
+ *   implementation("eu.mulk.jgvariant:jgvariant-ostree")
  *
  *   ...
  * }